CN105043837B - A kind of automation sample-preparing system for laser induced breakdown spectrograph - Google Patents
A kind of automation sample-preparing system for laser induced breakdown spectrograph Download PDFInfo
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- CN105043837B CN105043837B CN201510581882.XA CN201510581882A CN105043837B CN 105043837 B CN105043837 B CN 105043837B CN 201510581882 A CN201510581882 A CN 201510581882A CN 105043837 B CN105043837 B CN 105043837B
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Abstract
Invention is related to automating sample preparation field, more particularly to a kind of automation sample-preparing system for laser induced breakdown spectrograph, disclose a kind of automation sample-preparing system for laser induced breakdown spectrograph, including feed inlet, primary vibration sieves, grinder, secondary vibration is sieved, weighing device, conveyer belt, blender, drying unit, ring type pelleting press and marking machine, primary vibration sieve is disposed with below feed inlet, grinder, secondary vibration is sieved, secondary vibration sieve parallel beneath is provided with weighing device, weighing device is connected by conveyer belt with blender, it is provided with drying unit below blender, it is also disposed with ring type pelleting press and marking machine below drying unit.The present invention can prepare the sample needed for laser induced breakdown spectrograph automatically according to experiment demand, have many advantages, such as quickly preparation, easy to operate, saving sample.
Description
Technical field
The present invention relates to automation sample preparation fields, and in particular to a kind of automation system for laser induced breakdown spectrograph
Sample system.
Background technology
Laser induced breakdown spectroscopy (Laser-induced breakdown spectroscopy, LIBS) technology is in recent years
A kind of new tool of the detection material composition to grow up, this method use the laser irradiation sample of high power density, induction production
Raw plasma obtains the type and content information of element in sample by collecting the spectrum of plasma emission.LIBS is not necessarily to
Complicated sample pretreatment, instrument equipment is fairly simple, and testing cost is low, can complete real-time, quick, lossless online point
Analysis, does not cause secondary pollution, is a kind of method of direct test sample element composition.
When detecting material composition with laser induced breakdown spectrograph, although without complicated chemical pretreatment process, it is
Obtain stable measurement result, it is also desirable to prepare sample, including air-dry, be ground up, sieved, adding solution to be measured, mixing, baking
Dry, compacting and etc..Also need to add Element Solution, mixing and drying to be measured when making calibration curve, these
The precision that step directly influences the quality of plasma light spectrogram and experiment measures.These operate not only manpower and time,
And there is careless mistake in a certain step will lead to scrapping for entire sample.
Currently, the expert of Study of Laser induced breakdown spectroscopy is more concern detecting system itself, such as light path
Improvement, spectra collection system research and development, experimental data preprocess method improve and database foundation etc., such is special
Profit increasing plasma spectrum acquisition system and one as a kind of for the optical system of induced with laser detection, integrated laser induction
Kind improve the method etc. of laser induced breakdown spectroscopy element measurement accuracy, but in terms of the making of sample, there is presently no
This kind of patent.
Invention content
In view of the shortcomings of the prior art, present invention aims at provide a kind of laser induced breakdown spectroscopy automation
Sample-preparing system can prepare the solid sample needed for laser induced breakdown spectrograph automatically according to experiment demand, have quick
It prepares, is easy to operate, saving the advantages that sample.
To achieve the goals above, the present invention is to realize by the following technical solutions：One kind is hit for induced with laser
Wear the automation sample-preparing system of spectrometer, including feed inlet, primary vibration sieve, grinder, secondary vibration sieve, weighing device, biography
Band, blender, drying unit, ring type pelleting press and marking machine are sent, primary vibration sieve, powder are disposed with below the feed inlet
Millstone, secondary vibration sieve, secondary vibration sieve parallel beneath are provided with weighing device, the weighing device by conveyer belt with
Blender is connected, and drying unit is provided with below the blender, ring type tabletting is also disposed with below the drying unit
Device and marking machine.
Preferably, the sieve of the primary vibration sieve and secondary vibration sieve is tilting, and the level-one is shaken
Dynamic sieve and secondary vibration sieve side are respectively arranged with first discharge port and the second discharge gate, and primary vibration sieve and two level are shaken
The mesh number of dynamic sieve is 50-200, and the mesh number of the sieve of the secondary vibration sieve is higher than the sieve that primary vibration sieves.
Preferably, the grinder includes motor, crushing shaft and blade, the motor is connected with the crushing shaft, institute
It states and is evenly equipped with multiple blades on crushing shaft, the blade is S types.
Preferably, the weighing device includes carrying disk, weighing sensor and load cell, the carrying disk is flat
Row setting is provided with weighing sensor and load cell below secondary vibration sieve below the carrying disk.
Preferably, being provided with adhesive adding mouth and internal standard compound adding mouth on the blender.
Preferably, the drying unit bottom is provided with discharge port, discharge outlet is provided with valve, the valve with
Microcontroller is connected.
Preferably, the ring type pelleting press includes turntable, fixing device, mold and pressure column, turntable and pressure column
It is connected with microcontroller, the fixing device for fixing mould is provided on turntable, is provided with above fixing device for pressure
The sample of molding jig applies stressed pressure column.
Beneficial effects of the present invention：
1, this patent has filled up the blank of laser induced breakdown spectrograph automation sample preparation, belongs to a kind of pioneering invention；
2, sample preparation effort realizes automation, greatly reduces the input of manpower, improves work efficiency；
3, multiple samples can be disposably prepared under same experimental condition, than the homogeneity of manual sample preparation
It is good.Meanwhile unified, specification sample making course improves the stability of laser induced breakdown spectroscopy measurement result, is also beneficial to more
It is secondary to measure the relative standard deviation for reducing data.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the ring type pelleting press of the present invention；
Fig. 3 is the sample preparation flow diagram of the present invention.
In figure：1- feed inlets, 2- primary vibrations sieve, 3- grinders, 4- secondary vibrations sieve, 5- weighing devices, 6- conveyer belts,
7- blenders, 8- drying units, 9- ring type pelleting press, 10- marking machines
21- first discharge ports, the second discharge gates of 41-
31- motors, 32- crushing shafts, 33- blades
51- carrying disks, 52- weighing sensors, 53- load cells
71- adhesive adding mouths, 72- internal standard compound adding mouths
91- turntables, 92- fixing devices, 93- molds, 94- pressure columns.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in further details, but embodiments of the present invention are simultaneously
It is without being limited thereto.
Embodiment：
As shown in Figure 1, the laser induced breakdown spectroscopy of the present invention automates sample-preparing system, including feed inlet 1, primary vibration
Sieve 2, grinder 3, secondary vibration sieve 4, weighing device 5, conveyer belt 6, blender 7, drying unit 8, ring type pelleting press 9 and mark
Machine 10,1 lower section of feed inlet are disposed with primary vibration sieve 2, grinder 3, secondary vibration sieve 4, and secondary vibration sieves 4 parallel beneaths
It is provided with weighing device 5, weighing device 5 is connected by conveyer belt with blender 7, and 7 lower section of blender is provided with drying unit 8,
8 lower section of drying unit is also disposed with ring type pelleting press 9 and marking machine 10
It is worth noting that, the sieve of the primary vibration sieve 2 and secondary vibration sieve 4 is tilting, and level-one is shaken
Dynamic sieve 2 and secondary vibration sieve 4 sides and are respectively arranged with first discharge port 21 and the second discharge gate 41, primary vibration sieve 2
Mesh number with secondary vibration sieve 4 is 50-200, and the mesh number of the sieve of secondary vibration sieve 4 is higher than the sieve of primary vibration sieve 2.
Preferably, the grinder 3 includes motor 31, crushing shaft 32 and blade 33, motor 31 and 32 phase of crushing shaft
Even, multiple blades 33 are evenly equipped on crushing shaft 32, the blade 33 is S types.
Preferably, the weighing device includes carrying disk 51, weighing sensor 52 and load cell 53, carrying disk
51 are arranged in parallel in 4 lower section of secondary vibration sieve, and 51 lower section of carrying disk is provided with weighing sensor 52 and load cell 53.
It, can be from viscous preferably, be provided with adhesive adding mouth 71 and internal standard compound adding mouth 72 on the blender 7
Mixture adding mouth and internal standard compound adding mouth quantitatively add proportioned adhesive and internal standard substance respectively, and adhesive is saturation sucrose
Water or boric acid.
Preferably, 8 bottom of drying unit is provided with discharge port 11, valve 12, institute are provided at discharge port 11
The valve 12 stated is connected with microcontroller 13.
As shown in Fig. 2, the ring type pelleting press 9 includes turntable 91, fixing device 92, mold 93 and pressure column 94, turn
Platform 91 and pressure column 94 are connected with microcontroller 13, and the fixing device 92 for fixing mould 93, fixed dress are provided on turntable
It is provided with above setting and applies stressed pressure column 94 for the sample to compacting tool set 93.
The primary vibration sieves 2 pairs of samples and carries out scalping, and sieve is tilting, the impurity in sample and big particle warp
The first discharge port 21 is discharged, and the sample after scalping crushes grinding into the grinder 3, so that the excessively described two level is shaken
Dynamic sieve 4.The grinder 3 plays abrasive action for crushing the sample after scalping.The secondary vibration is sieved 4 pairs of samples and is carried out
Dusting cover, sieve are tilting, and big particle be discharged through second discharge gate 41 in sample, and the primary vibration sieves 2 and institute
The sieve for stating secondary vibration sieve 4 blocks be placed in sliding slot respectively, and specification can be replaced according to the difference of sample, the mesh number of sieve
Sieve mesh number for 50-200, the secondary vibration sieve 4 is higher than primary vibration sieve 2.The sample is solid, can be coal
Powder, soil, rock slag, chemical fertilizer etc. need the substance of tabletting.Sample carries out sample preparation processing after natural air drying, through feed inlet.
The weighing device 5 includes carrying disk 51, weighing sensor 52, load cell 53, and carrying disk 51 is parallel to be located at
4 lower section of secondary vibration sieve is collected the solid sample of sieving and is sent to weighing device 5, and the weighing device 5, which measures, to be collected
Example weight, by motor drive conveyer belt 6 be transported in blender 7；Its display screen and button can set the weight of needs,
The load cell 53 stops sieving after reaching required weight, and extra sample is sieved 4 the second discharge by secondary vibration
Mouth 41 is discharged.
10 print label of the marking machine makes bar code, records sampling time and place, monitoring project, the system of sample
The parameters such as sample experimental condition, additive content, Production Time.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of automation sample-preparing system for laser induced breakdown spectrograph, which is characterized in that including feed inlet (1), one
Grade vibrating screen (2), grinder (3), secondary vibration sieve (4), weighing device (5), conveyer belt (6), blender (7), drying unit
(8), ring type pelleting press (9), marking machine (10) and microcontroller (13), feed inlet (1) lower section are disposed with primary vibration
(2), grinder (3), secondary vibration sieve (4) are sieved, the weighing device (5) is provided with below the secondary vibration sieve (4), it is described
Weighing device (5) is connected by the conveyer belt (6) with the blender (7), and the baking is provided with below the blender (7)
Equipment for drying (8), drying unit (8) lower section are also disposed with the ring type pelleting press (9) and the marking machine (10)；
The sieve of primary vibration sieve (2) and secondary vibration sieve (4) is tilting, the primary vibration sieve (2) and
The secondary vibration sieve (4) side is respectively arranged with first discharge port (21) and the second discharge gate (41), the primary vibration
The mesh number ranging from 50-200 of (2) and secondary vibration sieve (4) is sieved, the mesh number of the sieve of the secondary vibration sieve (4) is more than
The mesh number of the primary vibration sieve (2)；
The grinder (3) includes motor (31), crushing shaft (32) and blade (33), the motor (31) and crushing shaft (32)
It is connected, the crushing shaft (32) is equipped with multiple blades (33), and the blade (33) shape is S types；
The weighing device (5) includes carrying disk (51), weighing sensor (52) and load cell (53), the carrying disk
(51) setting is below secondary vibration sieve (4), and is provided with the weighing sensor (52) below the carrying disk (51)
With the load cell (53)；
It is provided with adhesive adding mouth (71) and internal standard compound adding mouth (72) on the blender (7)；
Described drying unit (8) bottom is provided with discharge port (11), and valve (12), the valve are provided at discharge port (11)
Door (12) is connected with the microcontroller (13)；
The ring type pelleting press (9) includes turntable (91), fixing device (92), mold (93) and pressure column (94), described turn
Platform (91) and the pressure column (94) are connected with the microcontroller (13), are provided with for fixing mould on the turntable (91)
(93) fixing device (92), fixing device (92) top are provided with the application pressure for the sample to compacting tool set (93)
The pressure column (94) of power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510581882.XA CN105043837B (en) | 2015-09-14 | 2015-09-14 | A kind of automation sample-preparing system for laser induced breakdown spectrograph |
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| CN201510581882.XA CN105043837B (en) | 2015-09-14 | 2015-09-14 | A kind of automation sample-preparing system for laser induced breakdown spectrograph |
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| CN105043837B true CN105043837B (en) | 2018-10-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107219108A (en) * | 2017-07-13 | 2017-09-29 | 山东华唐环保科技有限公司 | Gather and process the integrated as-fired coal on-line intelligence detecting system of sample transmission detection |
| CN110646407A (en) * | 2019-11-20 | 2020-01-03 | 中国海洋大学 | Method for rapidly detecting content of phosphorus element in aquatic product based on laser-induced breakdown spectroscopy technology |
| CN111929126A (en) * | 2020-07-20 | 2020-11-13 | 苏州星帆华镭光电科技有限公司 | Automatic sample preparation system for laser-induced breakdown spectrometer |
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| CN104458666A (en) * | 2014-12-31 | 2015-03-25 | 清华大学 | Solid sample on-line detection system and method based on laser-induced breakdown spectrum |
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| CN2160116Y (en) * | 1993-05-31 | 1994-03-30 | 孙国新 | Hand fast infrared test specimen sheet pressing device |
| CN2242774Y (en) * | 1995-12-29 | 1996-12-18 | 北京清华科技园发展中心 | Device for continuous regeneration of waste butyl vulcanized rubber |
| CN1846719A (en) * | 2006-02-22 | 2006-10-18 | 广州中医药大学第一附属医院 | Rheumatism treating medicine and its prepn process |
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